Download RS-232C Interface Module Type AJ65BT

5 PRELIMINARY INFORMATION
MELSEC-A
(2) Station information ( M 20H (1st module) to M 5FH (64th module))
Set the type of remote I/O station, remote device station, intelligent device station
and local station connected to the master station.
This must be set for each module connected.
15 14 13 12 11 10 9
Station type
8
7
N o . o f o c cu p ie d
sta tio n s
6
5
4
3
2
1
0 (bit)
Station No.
1: 1 station occupied 1(01H) to 64(40H)
2: 2 stations occupied
3: 3 stations occupied
0: Remote I/O station 4: 4 stations occupied
1: Remote device station
2: Intelligent device station
(Example) To set R2 to station No. 30
2 1 1 EH
Station No. 30 (1EH)
No. of occupied stations (R2 occupies one station.)
Station type (R2 is an intelligent device station.)
(3) Master station buffer size
Details
Default
value
M 80H
Transmission buffer
40H
M 81H
Reception buffer
40H
Address
80H
∼
∼
∼
M 82H Automatic update buffer
1st station intelligent
device station
M CBH
Transmission buffer
40H
M CCH
Reception buffer
40H
M CDH Automatic update buffer
26th station intelligent
device station
80H
Set the buffer memory size assignment to be used for transient transmission to
the intelligent device station.
This must be set for each connected device.
Set so that the total of the transmission buffer, reception buffer and automatic
update buffer is within the range of 80H to 1000H.
(a) Transmission buffer, reception buffer
Set this when communicating with R2 using the transmission/reception
buffer.
Designate as the transmission/reception data size plus seven words.
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